Careers at VoicePing
Join our team building the future of voice AI and real-time translation technology
About VoicePing
VoicePing is revolutionizing global business communication by developing the foundational Voice AI Model through cutting-edge technologies. Founded in 2019, we’ve grown to serve 1000+ enterprise customers with our industry-leading speech translation infrastructure.
We are extending this work into robotics and Physical AI, with a dedicated engineering opening alongside our existing full-stack AI and enterprise sales roles.
Learn More:
Company Achievements
- 1,000+ paying enterprise customers
- $2.3M USD total investment as SEED
- Recognition from global accelerators (500 Global, Rainmaking APAC, AlchemistX)

VoicePing Robot Plan
Open positions
1. FullStack AI Developer
- Employment
- Full-time
- Workplace
- Yokohama–Shinagawa area · Fully on-site
- Annual salary
- JPY 5.5–10 million, discussed based on your current salary.
Full-time FullStack AI Developer position to build next-generation voice AI infrastructure
Key responsibilities
- Build and maintain real-time audio processing pipelines
- Implement high-performance API endpoints for translation services
- Develop and optimize WebSocket connections for live translation
- Create and maintain containerized microservices
Professional experience is not required. We welcome applicants with strong web application coding skills, demonstrated through personal, study, open-source, or work projects.
Requirements
- Ability to build and debug web applications with React/TypeScript or a comparable stack, and explain your own code
- Understanding of frontend state, APIs, backend logic, and data storage; Node.js, Python, or similar technologies are welcome
- Ability to use Git and tests to investigate problems and verify your changes
2. Robotics & Physical AI Engineer
- Employment
- Full-time
- Workplace
- Yokohama–Shinagawa area · Fully on-site
- Annual salary
- JPY 5.5–10 million, discussed based on your current salary.
Connect hardware, embedded control, and AI software to build and evaluate robots for real tasks.
Key responsibilities
- Web applications and robot communication
- Mechanics and actuation
- Electronics and power
Professional experience is not required. Strong web application developers are welcome, even if robotics and hardware are new to you. Show us what you can build, explain how your code works, and bring a willingness to learn the physical side of the product.
Requirements
- Strong implementation skills: build and debug a working application or device, explain your design choices, and improve it when something fails. Personal projects, study projects, and open-source work count.
- Web application skills: if your background is in web development, show us a frontend connected to an API and a backend or data store. Be ready to discuss state, data flow, error handling, tests, and the code you wrote. React/TypeScript, Node.js, Python, or comparable technologies are welcome.
- A practical learning habit: use Git, read documentation, investigate problems with logs and repeatable tests, and learn unfamiliar tools. Prior experience with ROS 2, C/C++, or electronics is helpful but not required for applicants with strong web application skills.
View full details & apply → — Robotics & Physical AI Engineer
3. Enterprise Sales
- Employment
- Full-time
- Workplace
- Yokohama–Shinagawa area · Fully on-site
- Annual salary
- JPY 5.5–10 million, discussed based on your current salary.
Own enterprise sales for VoicePing’s voice AI products and new robotics offerings, from discovery to contract close.
Key responsibilities
- Identify target enterprise accounts and build relationships with operational leaders, technical stakeholders, and decision-makers.
- Understand the customer’s workflow, constraints, budget, purchasing process, and success criteria.
- Lead product demonstrations and proposals, with clear scope, commercial terms, and evaluation criteria.
- Navigate procurement and contract negotiation, maintain an accountable pipeline and forecast, and close business.
- Give the delivery team a clear handoff and bring customer feedback to the product team.
Requirements
- Experience selling complex B2B solutions and owning opportunities through close.
- Ability to navigate multiple stakeholders, long sales cycles, procurement, and commercial negotiation.
- A disciplined approach to pipeline management, forecasting, and follow-through.
Why Join VoicePing?
Work on Cutting-Edge Technology
- Real-time audio processing and streaming
- Custom-trained transformers for Asian languages
- Fine-tuned LLMs with domain-specific training
- Natural emotional speech synthesis
Growth Opportunities
- Deep dive into ML infrastructure and ecosystem
- Learn advanced audio processing and distributed systems
- Work directly with founder and lead engineer
- Be part of a global product team recognized by top accelerators
Team and Work Environment
- Work together in the Yokohama–Shinagawa area
- Health insurance
- Regular technical workshops
Our Mission
We don’t compete in crowded markets. We create new value spaces where competition becomes irrelevant. We build what endures—data assets that compound across technology shifts.
By 2035, VoicePing will become the global standard for voice AI—the indispensable infrastructure powering mission-critical voice communication in every industry, every language, every workflow.
Note: We’re looking for missionaries with inherent curiosity, resilience, and drive. Passionate about building the future of voice AI? We’d love to hear from you!
Five values that shape how we work
These values guide our engineering, enterprise sales, and the way we build a team.
1. Blue Ocean Through the Third Door
Find unconventional paths to new markets. Look beyond crowded feature competition and create new value for customers. Aim beyond survival, toward meaningful work and self-actualization.
2. Clock-Builders
Build an enduring organization as well as products. Invest in data, processes, and people whose value grows over time. Develop teammates who go on to lead the industry.
3. Whole Product
Own the customer’s complete job. Bring the product, integration, and support together, with the accuracy, speed, and flexibility the task needs.
4. Speed + Learning
Ship fast and learn faster from customers. Sweat the details that matter and make deliberate tradeoffs elsewhere.
5. Selected DNA
Bring curiosity, resilience, and personal drive. Share the mission and take ownership. Working side by side, learning together, and sharing a table build the conviction that sustains the team.
Work Environment and Compensation
- Employment: Full-time
- Workplace: Yokohama–Shinagawa area · Fully on-site
- Annual salary: JPY 5.5–10 million, discussed based on your current salary.
How to Apply
Send your application to Akinori Nakajima by LinkedIn direct message, including the details below.
- The role you are applying for and a brief introduction.
- Your skills and relevant work, study, or personal projects, with a CV, portfolio, or project links.
- The value you connect with most and an example of how you put it into practice.
Open Nakajima’s LinkedIn profile
A free LinkedIn account is sufficient. If you are not connected, send a connection request first. Once it is accepted, send your application by message.
If LinkedIn is not working for you, email your application to: nakajima@voice-ping.com















